package com.atguigu.zy.interview.juc.locks;

import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CyclicBarrier;

/**
 * @Author : Jungle
 * @Description :  CountDownLatch 做减法   cyclicBarrier  做加法
 *   人到齐了才能开会
 */
public class CyclicBarrierDemo {
    public static void main(String[] args) {
        //CyclicBarrier(int parties,Runnable barrierAction)
        CyclicBarrier cyclicBarrier = new CyclicBarrier(7, () -> System.out.println(Thread.currentThread().getName()+"\t ======召唤神龙"));
        for (int i = 1; i <= 7; i++) {
            int finalI = i;
            new Thread(() -> {
                System.out.println(Thread.currentThread().getName()+"\t 收集到第： "+ finalI +"颗龙珠");
                try {
                    cyclicBarrier.await();
                } catch (InterruptedException e) {
                    e.printStackTrace();
                } catch (BrokenBarrierException e) {
                    e.printStackTrace();
                }
            }, String.valueOf(i)).start();
        }
    }
}
